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1 | /******************************************************************************* |
2 | * Copyright (c) 2011 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | * | |
12 | *******************************************************************************/ | |
13 | package org.eclipse.linuxtools.lttng.ui.tracecontrol.model.config; | |
14 | ||
15 | import org.eclipse.jface.viewers.ICellModifier; | |
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16 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.TraceResource.TraceState; |
17 | import org.eclipse.linuxtools.lttng.core.tracecontrol.model.config.TraceChannel; | |
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18 | import org.eclipse.linuxtools.lttng.ui.tracecontrol.wizards.KernelTraceChannelConfigurationPage; |
19 | import org.eclipse.swt.widgets.TableItem; | |
20 | ||
21 | /** | |
22 | * <b><u>TraceChannelCellModifier</u></b> | |
23 | * <p> | |
24 | * ICellModifier implementation for TableViewers in order to modify cells of a table used for | |
25 | * for displaying and configuring trace channel information. | |
26 | * </p> | |
27 | */ | |
28 | public class TraceChannelCellModifier implements ICellModifier { | |
29 | ||
30 | // ------------------------------------------------------------------------ | |
31 | // Attributes | |
32 | // ----------------------------------------------------------------------- | |
33 | KernelTraceChannelConfigurationPage fConfigPage; | |
34 | ||
35 | // ------------------------------------------------------------------------ | |
36 | // Constructors | |
37 | // ----------------------------------------------------------------------- | |
38 | ||
39 | /** | |
40 | * Constructor | |
41 | * | |
42 | * @param configPage The trace configuration reference | |
43 | */ | |
44 | public TraceChannelCellModifier(KernelTraceChannelConfigurationPage configPage) { | |
45 | fConfigPage = configPage; | |
46 | } | |
47 | ||
48 | /* | |
49 | * (non-Javadoc) | |
50 | * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String) | |
51 | */ | |
52 | @Override | |
53 | public boolean canModify(Object element, String property) { | |
54 | // Find the index of the column | |
55 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); | |
56 | ||
57 | switch (columnIndex) { | |
58 | case 0: // Name | |
59 | return false; | |
60 | case 1: // Enabled | |
61 | case 2: // Buffer Overwrite | |
62 | case 3: // SubbufNum | |
63 | case 4: // SubbufSize | |
64 | if ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED)) { | |
65 | return true; | |
66 | } | |
67 | break; | |
68 | case 5: // Channel Timer | |
69 | if (fConfigPage.isLocalTrace() && ((fConfigPage.getTraceState() == TraceState.CREATED) || (fConfigPage.getTraceState() == TraceState.CONFIGURED))) { | |
70 | return true; | |
71 | } | |
72 | break; | |
73 | default: | |
74 | } | |
75 | return false; | |
76 | } | |
77 | ||
78 | /* | |
79 | * (non-Javadoc) | |
80 | * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String) | |
81 | */ | |
82 | @Override | |
83 | public Object getValue(Object element, String property) { | |
84 | ||
85 | // Find the index of the column | |
86 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); | |
87 | ||
88 | Object result = null; | |
89 | TraceChannel chan = (TraceChannel) element; | |
90 | ||
91 | switch (columnIndex) { | |
92 | case 0: // Name | |
93 | result = chan.getName(); | |
94 | break; | |
95 | case 1: // Enabled | |
96 | result = Boolean.valueOf(chan.isEnabled()); | |
97 | break; | |
98 | case 2: // Buffer Overwrite | |
99 | result = Boolean.valueOf(chan.isChannelOverride()); | |
100 | break; | |
101 | case 3: // SubbufNum | |
102 | result = String.valueOf(chan.getSubbufNum()); | |
103 | break; | |
104 | case 4: // SubbufSize | |
105 | result = String.valueOf(chan.getSubbufSize()); | |
106 | break; | |
107 | case 5: // Channel Timer | |
108 | result = String.valueOf(chan.getTimer()); | |
109 | break; | |
110 | default: | |
111 | result = ""; //$NON-NLS-1$ | |
112 | } | |
113 | return result; | |
114 | } | |
115 | ||
116 | /* | |
117 | * (non-Javadoc) | |
118 | * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object) | |
119 | */ | |
120 | @Override | |
121 | public void modify(Object element, String property, Object value) { | |
122 | // Find the index of the column | |
123 | int columnIndex = fConfigPage.getColumnProperties().indexOf(property); | |
124 | ||
125 | TableItem item = (TableItem) element; | |
126 | TraceChannel chan = (TraceChannel) item.getData(); | |
127 | String valueString; | |
128 | ||
129 | switch (columnIndex) { | |
130 | case 0: | |
131 | chan.setName(((String) value).trim()); | |
132 | break; | |
133 | case 1: // Name | |
134 | chan.setIsEnabled(((Boolean) value).booleanValue()); | |
135 | break; | |
136 | case 2: | |
137 | chan.setIsChannelOverride(((Boolean) value).booleanValue()); | |
138 | break; | |
139 | case 3: // SubbufNum | |
140 | valueString = ((String) value).trim(); | |
141 | if (valueString.length() == 0) { | |
142 | valueString = "0"; //$NON-NLS-1$ | |
143 | } | |
144 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { | |
145 | chan.setSubbufNum(TraceChannel.UNKNOWN_VALUE); | |
146 | } | |
147 | else { | |
148 | chan.setSubbufNum(Integer.parseInt(valueString)); | |
149 | } | |
150 | break; | |
151 | case 4: // SubbufSize | |
152 | valueString = ((String) value).trim(); | |
153 | if (valueString.length() == 0) { | |
154 | valueString = "0"; //$NON-NLS-1$ | |
155 | } | |
156 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { | |
157 | chan.setSubbufSize(TraceChannel.UNKNOWN_VALUE); | |
158 | } | |
159 | else { | |
160 | chan.setSubbufSize(Integer.parseInt(valueString)); | |
161 | } | |
162 | break; | |
163 | case 5: // Channel Timer | |
164 | valueString = ((String) value).trim(); | |
165 | if (valueString.length() == 0) { | |
166 | valueString = "0"; //$NON-NLS-1$ | |
167 | } | |
168 | else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) { | |
169 | chan.setTimer(TraceChannel.UNKNOWN_VALUE); | |
170 | } | |
171 | else { | |
172 | chan.setTimer(Integer.parseInt(valueString)); | |
173 | } | |
174 | break; | |
175 | default: | |
176 | } | |
177 | fConfigPage.refresh(); | |
178 | } | |
179 | } |